Material for printing multiple photographs.



in. $34,048. PATENTED, 001', 23', 1906.

- 11.0. J. DBEKS. MATERIAL r011 PRINTING MULTIPLE PHOTOGRAPHS.

LPPLIULTIOI P1111115 10V. 25, 1904. Q

' Be itkn'ownthat I, HmA O. J. DEEKs, a

UNITED srmuirns PATENT OFFICE. 7

mean 'CL-J'QDEEKS, or PATERSON, NEW JERSEY.

MATERIAL FoR PRINTING" IVIULTIPLEPHOTOGRAPHS.

Letters Patent. Patented Oct. as, 1906.

Application aha Novena 25, 1904.. Serial Ne- $4,125.

To all itmqycncern:

1 citizen of the United States, and a resident of the city of Paterson, in the county of Passaic 'and- State of New Jersey, have invented certain new and useful Improvements in Material for Printing Multiple Photographs, of

' which the followin is a specification.

' tion of novel "and striklng effects byflphotoe My invention re ates to the art of photography, and has for its purpose the produc graphic means.

- My invention providesmeans for the pro duction onwhat seems to be tothe casual observer the' same surface of two hotographic views, one of whichis. perceptible to the observer looking from one an le, whereas looking from anot er angle.

the other view is erceptible' to t e observer Referring to th drawings, Fi "e1 15 a .view illustrative of the effect pro uced upon the eye of the observer .when looking at the ob ect from. one direction. Fig. 2 is illustra- .tive of the effect produced upon the eye of the observer lookin from another direction.

thestereoscopic purposes hereinafter referred to.

Fig. 7 isa sectional view of the apparatus I use for exposure to the light during the printing 0 erations. I In the awings, a is b is the cardboard.

0 re resents the corrugations, ha

the printing-paper.

the

faces on one side thereof and the faces e on the op 'osite side thereof.

In t 'e apparatus or box (illustrated in 7) f represents the inclosing sides thereof, having the door or lid 9 for convenience in'ins ertv ingand withdrawing the rinting-frame h. 9

t is the aperture-for t ra s-oflight,

nca-rryin e entrance of the out the ob'ects of my inven tion Ifirst ta e a-sheet o cardboard, to the v surface of which I paste an ordinary photo'" graphic-printing paper, such as is used for sunliht or artificial light. To secure the two s lac and alcohol or other adhesive substance insoluble in'water. The printing-paper is and the subsequent operations until printing are in. non-actinic light. Next I pass the cardboard, with the printingaper attached, as aforesaid, between two ro ers under" res;

other is cut into sharp parallel corrugations, either le hwise or around the circumference of t e roller. The cardboard, with printing- 'aperattached, is placed between these re lers, so that the sensitive paper rugations. This operation leaves the paper by Figs. 3, 4, and 5. The corrugated paper so pre ared is placed in contact with ap otograp ic negative in the ordinal manner in a printing-frame. receptacle impervious to light except .for "an a erture at one side, '(illustrated byFig. 7,) t ough whichthe'rays of light approach and .meet .the corrugated printin'gaper, attacking and-p'rinting the same on y' on the toward the aperture from which the 'light comes. The exposure is timed-according to conditions in the usual way. this negative and secure against the paper a. second negative. in the same manner and shift the printin -frame so that upon exposure the light wi 1 meet the other and oppomanner the second picture upon the sides of the corrugations opposite to those already exposed and printed. After the exposure the fixing and toni of the two photographs is one in are toned, fixed, and developed at the same time. V 4 The above description refers to the use of my-invention for producing upon-the same relation to the eyesight.' For stereoscopic e more pronounced and deep as indicated by 6 of l the drawings. o

comes into contact with the roller having cor-.

v printing direct from-the negative, either by eets together, I use .a solution of 'shelaffixed to the cardboard in non-actinic light,

.sure. One of these rollers is smooth, an the upon the cardboard in the shape illustrated It is then p aced in a sides of. the many corrugations which face 7 I then remove sitesides of the corrugations, in thepaper, and I print from the secolfd negative in the photograph or I t e usual way; Both pictures being on the same sheet, they,

vroc

sheet two different photographs, either one of which may be brought to view by .merely' shifting or tilting the position of 'thesheetin purposes the corrugations in the paper should r this '-I use 11c two negativesg 6f the same I view.- taken from slightly-different positions in the usual manner of stereoscopic views. One negative being then used, as above described, for printing on one side of the corrugations, while the other negative is used for printin upon the opposite si es of the corrugations, t e .same sheet will disclose two views of the object corresponding to thetwo impressions upon the retina of the; eyes. The sheet with the two photographs thereon'being'held atazproper distance from the eyes, so that'oneeye sees the photogra h only on one sideof the corrugations w e the other eye seesthe photograph only upon the other side of'the corrugations,

the usual stereoscopic effect will be produced.

l multiple.photographsdisclosed herein, as the 'same has been'made the subject+matter of a can be obtamed u on them.

divisional "application, 'file'd .Noveniber 28,

1905, Serial No. 289,402.

What I claim as new, and desire to protect "by Letters'Patent, is

1. Photographic material prepared for printing having a surface with parallel corrugations so adapted to exposure for I printing purposes that rays of light may act only upon the sides of the corrugations facing in one direction while a second exposure will admit the light to act only upon sides of the corrugationsfacin 'in the other direction.

2. A- sheet aving a surface provided with two sets of faces alternately arranged, the faces ofeachset vbeing paralel, and those of one setmeeting those of the other at acute angles, both sets of: faces being provided with a sensitizi material whereby'photographs Signed at New: ork, in' the county of New York: and ,State of New- YOI'k,lthiS-27trh day -of October, A. D. 1904.

"HIRAM o. J'. DEEKS. Witnesses:

M. 3KAUFFMAN,

JosEPH A. 'STE'ISON.I 

